Allow view-source of pages fully-blocked by Blink's XSS filter.

content/common/frame_messages.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/frame_message_enums.h"
@@ skipping 538 matching lines @@
 // input directly to subframes. http://crbug.com/339659
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ForwardInputEvent,
                     IPC::WebInputEventPointer /* event */)
 
 // Used to tell the parent that the user right clicked on an area of the
 // content area, and a context menu should be shown for it. The params
 // object contains information about the node(s) that were selected when the
 // user right clicked.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ContextMenu, content::ContextMenuParams)
 
+// Sent when the renderer detects an XSS in a page.
+IPC_MESSAGE_ROUTED3(FrameHostMsg_DidDetectXSS,
+                    int32  /* page_id */,
+                    GURL  /* url */,
+                    bool  /* blocked entire page */)
+
 // Initial drawing parameters for a child frame that has been swapped out to
 // another process.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_InitializeChildFrame,
                     gfx::Rect /* frame_rect */,
                     float /* scale_factor */)
 
 // Response for FrameMsg_JavaScriptExecuteRequest, sent when a reply was
 // requested. The ID is the parameter supplied to
 // FrameMsg_JavaScriptExecuteRequest. The result has the value returned by the
 // script as its only element, one of Null, Boolean, Integer, Real, Date, or
@@ skipping 43 matching lines @@
 
 IPC_MESSAGE_ROUTED1(FrameHostMsg_MediaPausedNotification,
                     int64 /* player_cookie, distinguishes instances */)
 
 // Response for FrameMsg_TextSurroundingSelectionRequest, |startOffset| and
 // |endOffset| are the offsets of the selection in the returned |content|.
 IPC_MESSAGE_ROUTED3(FrameHostMsg_TextSurroundingSelectionResponse,
                     base::string16,  /* content */
                     size_t, /* startOffset */
                     size_t /* endOffset */)